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Parties in Diamond Bar, CA

Search for something you love or check out popular events in your area.

Sing along brunch with Amanda Perez , in Pomona
Sunday at 10:00 AM
Pomona · 197 E 2nd St
Sing along brunch with Amanda Perez , in Pomona
Sunday at 10:00 AM
Pomona · 197 E 2nd St
Girls Just Wanna Love God Event
Sun, Jun 14, 11:00 AM
Azusa · 680 E Alosta Ave
Girls Just Wanna Love God Event
Sun, Jun 14, 11:00 AM
Azusa · 680 E Alosta Ave
Sales end soon
REDRÜM COMEDY
Thursday at 8:00 PM
Anaheim · 3910 E Coronado St unit g
Sales end soon
REDRÜM COMEDY
Thursday at 8:00 PM
Anaheim · 3910 E Coronado St unit g
Summer Bash 2026!
Fri, Jun 19, 6:00 PM
Anaheim · 101 E Orangethorpe Ave
Summer Bash 2026!
Fri, Jun 19, 6:00 PM
Anaheim · 101 E Orangethorpe Ave
Sales end soon
909 PARTY LINE –Bringing it back to The IE
Saturday at 8:00 PM
Upland · Ace's Corner Lounge
Sales end soon
909 PARTY LINE –Bringing it back to The IE
Saturday at 8:00 PM
Upland · Ace's Corner Lounge
The Latin American Party
Mon, Jun 8, 7:30 PM
Anaheim · HEAT Ultra Lounge
The Latin American Party
Mon, Jun 8, 7:30 PM
Anaheim · HEAT Ultra Lounge
Sales end soon
Inland Empire SPEED DATING FOR ASIAN SINGLES Age 25-40 ♥ Ontario CA
Thursday at 8:00 PM
Ontario · Brew Haven
Sales end soon
Inland Empire SPEED DATING FOR ASIAN SINGLES Age 25-40 ♥ Ontario CA
Thursday at 8:00 PM
Ontario · Brew Haven
❤️ The Live Dating Game: Old School Romance is Back!
Sat, Jun 6, 4:00 PM
Fullerton · Back Alley Bar & Grill
❤️ The Live Dating Game: Old School Romance is Back!
Sat, Jun 6, 4:00 PM
Fullerton · Back Alley Bar & Grill
Sales end soon
SPACE TACO 5/26 ELECTRIC JUNGLE TAKEOVER!!
Tomorrow at 9:00 PM
Pomona · the basement – pomona
Sales end soon
SPACE TACO 5/26 ELECTRIC JUNGLE TAKEOVER!!
Tomorrow at 9:00 PM
Pomona · the basement – pomona
Keeping It 2000s: Brunch Day Party w/ Yung Joc (Live) Pomona Ca
Sun, Jun 14, 11:00 AM
Pomona · 197 E 2nd St
Keeping It 2000s: Brunch Day Party w/ Yung Joc (Live) Pomona Ca
Sun, Jun 14, 11:00 AM
Pomona · 197 E 2nd St
Almost full
Vista Drag Bingo
Sat, Jun 20, 10:00 AM
Anaheim · Parkside Market
Almost full
Vista Drag Bingo
Sat, Jun 20, 10:00 AM
Anaheim · Parkside Market
Summer Solstice Crystal Party
Sat, Jun 20, 10:00 AM
Pomona · Rough & Tumbled HQ
Summer Solstice Crystal Party
Sat, Jun 20, 10:00 AM
Pomona · Rough & Tumbled HQ
Collage Club Pomona Collage & Paper Crafting Party
Fri, Jun 5, 6:00 PM
Pomona · Rough & Tumbled HQ
Collage Club Pomona Collage & Paper Crafting Party
Fri, Jun 5, 6:00 PM
Pomona · Rough & Tumbled HQ
Back2Basics
Sat, Jun 13, 8:00 PM
Whittier · Sage Restaurant & Lounge
Back2Basics
Sat, Jun 13, 8:00 PM
Whittier · Sage Restaurant & Lounge
Sales end soon
Paint n sip karaoke @ Sage Whittier 80’s Party
Thursday at 6:30 PM
Whittier · Sage Restaurant & Lounge
Sales end soon
Paint n sip karaoke @ Sage Whittier 80’s Party
Thursday at 6:30 PM
Whittier · Sage Restaurant & Lounge
Renewing the Honmoon With You - Celebrating One Year of K-Pop Demon Hunters
Sat, Jun 20, 1:00 PM
Anaheim · 4SEASONS TEA CAFE
Renewing the Honmoon With You - Celebrating One Year of K-Pop Demon Hunters
Sat, Jun 20, 1:00 PM
Anaheim · 4SEASONS TEA CAFE
Stuffie Sleepover & Pajama Party- Summer 2026
Fri, Jul 24, 5:30 PM
Upland · 217 E A St
Stuffie Sleepover & Pajama Party- Summer 2026
Fri, Jul 24, 5:30 PM
Upland · 217 E A St
Going fast
Speed Dating 45-60 & Relationship Coaching Session
Sat, Jun 27, 3:00 PM
Anaheim · Stone Groove Stillhouse
Going fast
Speed Dating 45-60 & Relationship Coaching Session
Sat, Jun 27, 3:00 PM
Anaheim · Stone Groove Stillhouse
Sales end soon
Inland Empire SPEED DATING FOR ASIAN SINGLES Age 40s/50s ♥ Ontario CA
Thursday at 6:30 PM
Ontario · Brew Haven
Sales end soon
Inland Empire SPEED DATING FOR ASIAN SINGLES Age 40s/50s ♥ Ontario CA
Thursday at 6:30 PM
Ontario · Brew Haven
Inland Empire Speed Dating for Singles Age 40s/50s ♥ Montclair California
Fri, Jun 26, 6:30 PM
Montclair · Dragons Tale Brewery
Inland Empire Speed Dating for Singles Age 40s/50s ♥ Montclair California
Fri, Jun 26, 6:30 PM
Montclair · Dragons Tale Brewery

Trends in Diamond Bar

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Explore more trends

Frequently asked questions about Diamond Bar

What are the best party events to attend?

According to Eventbrite, the best party events are:

Sing along brunch with Amanda Perez , in Pomona

Girls Just Wanna Love God Event

Summer Bash 2026!

909 PARTY LINE –Bringing it back to The IE

Which events are currently trending in Diamond Bar?

The trending searches this month in Diamond Bar are:

living trust and estate planning seminar

free kids event

Which party events are coming up?

Discover the best party events happening soon – you don't want to miss them:

SPACE TACO 5/26 ELECTRIC JUNGLE TAKEOVER!!

Paint n sip karaoke @ Sage Whittier 80’s Party

Inland Empire SPEED DATING FOR ASIAN SINGLES Age 40s/50s ♥ Ontario CA